Finding the Fourth Proportional to 137,685,832.88, 206,543,879.70 and 45,536,004.68
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Solution
The fourth proportional to 137,685,832.88, 206,543,879.70 and 45,536,004.68 is: 68,309,010.99
Step by Step Solution
- Step 1: Write the proportion equation
137,685,832.88 : 206,543,879.70 = 45,536,004.68 : x - Step 2: Convert to fraction form
137,685,832.88/206,543,879.70 = 45,536,004.68/x - Step 3: Cross multiply
137,685,832.88x = 206,543,879.70 × 45,536,004.68 - Step 4: Simplify right side
137,685,832.88x = 9,405,183,071,611,836 - Step 5: Solve for x
x = 9,405,183,071,611,836/137,685,832.88 - Step 6: Final answer
x = 68,309,010.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.